teen. from domestic battles to international unrest, president obama will have strong words for north korea. just this morning, the country conducted its third nuclear test. in a statement, the president called it a highly provocative act and promised to pursue action. in afghanistan, the president is expected to detail the end of the war there. florida senator, marco rubio, will deliver the republican response to tonight's state of the union. following tonight's speech, president obama leaves on a three-day tour to push his economic agenda. he's hoping to create enough public pressure to force a compromise on capitol hill. >> thank you very much. the nation's most valuable company will be represented at state of the union is apple ceo sits next to the first lady. >> good morning. if i were a guest at the state of the union, i'd already be lining up on the capitol steps. cook was in san francisco just until just a short time ago. he just finished speaking at an event for which we have no pictures, a goldman sachs investors event. we assume he got on a plane and was heading towards was